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polycrystalline

American  
[pol-ee-kris-tl-in, -ahyn, -een] / ˌpɒl iˈkrɪs tl ɪn, -ˌaɪn, -ˌin /

adjective

  1. (of a rock or metal) composed of aggregates of individual crystals.

  2. having or consisting of crystals that are variously oriented.


Etymology

Origin of polycrystalline

First recorded in 1920–25; poly- + crystalline

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It also provides products for the telecommunications industry, optical materials for the semiconductor industry and the scientific community, and polycrystalline silicon products and other technologies.

From Barron's Apr. 16, 2026

"By extracting and analyzing the nanoscale regions through polycrystalline materials informatics, which combines experiment, theory, and AI, we made this clarification of phenomena in complex polycrystalline materials possible for the first time," Usami continued.

From Science Daily Dec. 20, 2023

To reduce the chances of failure in devices that use polycrystalline materials, it is important to understand the formation of these dislocations.

From Science Daily Dec. 20, 2023

The project’s blueprint includes a smelter to make aluminum for electric vehicles and other factories to produce petrochemicals, batteries for EVs and polycrystalline materials used in solar panels.

From Seattle Times Sep. 13, 2023

The polycrystalline grains are cheap and can be heated and compressed into ingots that are 3 to 5 centimeters long, which can be made into devices.

From Science Magazine Aug. 2, 2021

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